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<title>Part I. GStreamer Base Plugins Libraries: GStreamer Base Plugins 1.0 Library Reference Manual</title>
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<div class="part">
<div class="titlepage"><div><div><h1 class="title">
<a name="gstreamer-plugins-base"></a>Part I. GStreamer Base Plugins Libraries</h1></div></div></div>
<div class="toc">
<p><b>Table of Contents</b></p>
<dl class="toc">
<dt>
<span class="refentrytitle"><a href="compiling.html">Compiling</a></span><span class="refpurpose"> — 
How to compile against the base plugins libraries
</span>
</dt>
<dt><span class="chapter"><a href="gstreamer-allocators.html">Allocators Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-dmabuf.html">GstDmaBufAllocator</a></span><span class="refpurpose"> — Memory wrapper for Linux dmabuf memory</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-fdmemory.html">GstFdAllocator</a></span><span class="refpurpose"> — Memory wrapper for fd backed memory</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstPhysMemoryAllocator.html">GstPhysMemoryAllocator</a></span><span class="refpurpose"> — Interface for allocators that pass around physical memory addresses</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gstreamer-app.html">App Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-appsrc.html">GstAppSrc</a></span><span class="refpurpose"> — Easy way for applications to inject buffers into a
    pipeline</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-appsink.html">GstAppSink</a></span><span class="refpurpose"> — Easy way for applications to extract samples from a
    pipeline</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gstreamer-audio.html">Audio Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstAudio.html">GstAudio</a></span><span class="refpurpose"> — Support library for audio elements</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstAudio-meta.html">GstAudio meta</a></span><span class="refpurpose"> — Buffer metadata for audio downmix matrix handling</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioAggregator.html">GstAudioAggregator</a></span><span class="refpurpose"> — Base class that manages a set of audio input pads
with the purpose of aggregating or mixing their raw audio input buffers</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioCdSrc.html">GstAudioCdSrc</a></span><span class="refpurpose"> — Base class for Audio CD sources</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioClock.html">GstAudioClock</a></span><span class="refpurpose"> — Helper object for implementing audio clocks</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioDecoder.html">GstAudioDecoder</a></span><span class="refpurpose"> — Base class for audio decoders</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioEncoder.html">GstAudioEncoder</a></span><span class="refpurpose"> — Base class for audio encoders</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioFilter.html">GstAudioFilter</a></span><span class="refpurpose"> — Base class for simple audio filters</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioSink.html">GstAudioSink</a></span><span class="refpurpose"> — Simple base class for audio sinks</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioSrc.html">GstAudioSrc</a></span><span class="refpurpose"> — Simple base class for audio sources</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioBaseSink.html">GstAudioBaseSink</a></span><span class="refpurpose"> — Base class for audio sinks</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioBaseSrc.html">GstAudioBaseSrc</a></span><span class="refpurpose"> — Base class for audio sources</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Audio-channels.html">Audio-channels</a></span><span class="refpurpose"> — Support library for audio channel handling</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstAudioConverter.html">GstAudioConverter</a></span><span class="refpurpose"> — Generic audio conversion</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstAudioQuantize.html">GstAudioQuantize</a></span><span class="refpurpose"></span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioRingBuffer.html">GstAudioRingBuffer</a></span><span class="refpurpose"> — Base class for audio ringbuffer implementations</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstAudio-IEC61937.html">GstAudio IEC61937</a></span><span class="refpurpose"> — Utility functions for IEC 61937 payloading</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstStreamVolume.html">GstStreamVolume</a></span><span class="refpurpose"> — Interface for elements that provide a stream volume</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gstreamer-ffft.html">FFT Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstFFT.html">GstFFT</a></span><span class="refpurpose"> — General FFT functions and declarations</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstFFTS16.html">GstFFTS16</a></span><span class="refpurpose"> — FFT functions for signed 16 bit integer samples</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstFFTS32.html">GstFFTS32</a></span><span class="refpurpose"> — FFT functions for signed 32 bit integer samples</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstFFTF32.html">GstFFTF32</a></span><span class="refpurpose"> — FFT functions for 32 bit float samples</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstFFTF64.html">GstFFTF64</a></span><span class="refpurpose"> — FFT functions for 64 bit float samples</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gstreamer-riff.html">Riff Media Library</a></span></dt>
<dd><dl><dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Riff-utilities.html">Riff utilities</a></span><span class="refpurpose"> — Riff fileformat utillity functions.</span>
</dt></dl></dd>
<dt><span class="chapter"><a href="gstreamer-rtp.html">RTP Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstMeta-for-RTP.html">GstMeta for RTP</a></span><span class="refpurpose"> — RTP related GstMeta</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstRTPBaseAudioPayload.html">GstRTPBaseAudioPayload</a></span><span class="refpurpose"> — Base class for audio RTP payloader</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstRTPBaseDepayload.html">GstRTPBaseDepayload</a></span><span class="refpurpose"> — Base class for RTP depayloader</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstRTPBasePayload.html">GstRTPBasePayload</a></span><span class="refpurpose"> — Base class for RTP payloader</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRTPBuffer.html">GstRTPBuffer</a></span><span class="refpurpose"> — Helper methods for dealing with RTP buffers</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRTCPBuffer.html">GstRTCPBuffer</a></span><span class="refpurpose"> — Helper methods for dealing with RTCP buffers</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRTPPayloadInfo.html">GstRTPPayloadInfo</a></span><span class="refpurpose"> — Helper methods for dealing with RTP payloads</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRtphdrext.html">GstRtphdrext</a></span><span class="refpurpose"> — Helper methods for dealing with RTP header extensions</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRTPdefs.html">GstRTPdefs</a></span><span class="refpurpose"> — common RTP defines</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gstreamer-rtsp.html">RTSP Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRTSPConnection.html">GstRTSPConnection</a></span><span class="refpurpose"> — manage RTSP connections</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRtspdefs.html">GstRtspdefs</a></span><span class="refpurpose"> — common RTSP defines</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstRTSPExtension.html">GstRTSPExtension</a></span><span class="refpurpose"> — Interface for extending RTSP protocols</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstRTSPMessage.html">GstRTSPMessage</a></span><span class="refpurpose"> — RTSP messages</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRTSPTimeRange.html">GstRTSPTimeRange</a></span><span class="refpurpose"> — dealing with time ranges</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstRTSPRange.html">GstRTSPRange</a></span><span class="refpurpose"> — dealing with RTSP transports</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstRTSPUrl.html">GstRTSPUrl</a></span><span class="refpurpose"> — handling RTSP urls</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gstreamer-sdp.html">SDP Library</a></span></dt>
<dd><dl><dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstSDPMessage.html">GstSDPMessage</a></span><span class="refpurpose"> — Helper methods for dealing with SDP messages</span>
</dt></dl></dd>
<dt><span class="chapter"><a href="gstreamer-mikey.html">MIKEY Library</a></span></dt>
<dd><dl><dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstMIKEYMessage.html">GstMIKEYMessage</a></span><span class="refpurpose"> — Helper methods for dealing with MIKEY messages</span>
</dt></dl></dd>
<dt><span class="chapter"><a href="gstreamer-tag.html">Tag Support Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Tags.html">Tags</a></span><span class="refpurpose"> — additional tag definitions for plugins and applications</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVorbisTag.html">GstVorbisTag</a></span><span class="refpurpose"> — tag mappings and support functions for plugins
                    dealing with vorbiscomments</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-ID3-tag-utils.html">ID3 tag utils</a></span><span class="refpurpose"> — tag mappings and support functions for plugins
                    dealing with ID3v1 and ID3v2 tags</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstExiftag.html">GstExiftag</a></span><span class="refpurpose"> — tag mappings and support functions for plugins
                    dealing with exif tags</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstXmptag.html">GstXmptag</a></span><span class="refpurpose"> — tag mappings and support functions for plugins
                    dealing with xmp packets</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstTagXmpWriter.html">GstTagXmpWriter</a></span><span class="refpurpose"> — Interface for elements that provide XMP serialization</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstTagDemux.html">GstTagDemux</a></span><span class="refpurpose"> — Base class for demuxing tags that are in chunks
                    directly at the beginning or at the end of a file</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstTagMux.html">GstTagMux</a></span><span class="refpurpose"> — Base class for adding tags that are in one single chunk
                    directly at the beginning or at the end of a file</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-ISO-639-lang-mappings.html">ISO-639 lang mappings</a></span><span class="refpurpose"> — mappings for ISO-639 language codes and names</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Licenses.html">Licenses</a></span><span class="refpurpose"> — utility functions for Creative Commons licenses</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gstreamer-base-utils.html">Base Utils Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Pbutils.html">Pbutils</a></span><span class="refpurpose"> — General Application and Plugin Utility Library</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Version.html">Version</a></span><span class="refpurpose"> — GStreamer gst-plugins-base libraries version macros.</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Codec-utilities.html">Codec utilities</a></span><span class="refpurpose"> — Miscellaneous codec-specific utility functions</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Descriptions.html">Descriptions</a></span><span class="refpurpose"> — Provides human-readable descriptions for caps/codecs
and encoder, decoder, URI source and URI sink elements</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Missing-plugins.html">Missing plugins</a></span><span class="refpurpose"> — Create, recognise and parse missing-plugins messages</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-Install-plugins.html">Install-plugins</a></span><span class="refpurpose"> — Missing plugin installation support for applications</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstDiscoverer.html">GstDiscoverer</a></span><span class="refpurpose"> — Utility for discovering information on URIs.</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstEncodingProfile.html">GstEncodingProfile</a></span><span class="refpurpose"> — Encoding profile library</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstAudioVisualizer.html">GstAudioVisualizer</a></span><span class="refpurpose"> — Base class for visualizers.</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gstreamer-video.html">Video Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideo.html">GstVideo</a></span><span class="refpurpose"> — Support library for video operations</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstMeta-for-video.html">GstMeta for video</a></span><span class="refpurpose"> — Video related GstMeta</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideoAffineTransformationMeta.html">GstVideoAffineTransformationMeta</a></span><span class="refpurpose"> — GstMeta for video affine transformation</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoAggregator.html">GstVideoAggregator</a></span><span class="refpurpose"> — Base class for video aggregators</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoAggregatorPad.html">GstVideoAggregatorPad</a></span><span class="refpurpose"></span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideoOverlayRectangle.html">GstVideoOverlayRectangle</a></span><span class="refpurpose"> — Video Buffer Overlay Compositions (Subtitles, Logos)</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoFilter.html">GstVideoFilter</a></span><span class="refpurpose"> — Base class for video filters</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideoDither.html">GstVideoDither</a></span><span class="refpurpose"> — Utility object for dithering and quantizing lines of video</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideoChroma.html">GstVideoChromaResample</a></span><span class="refpurpose"> — Functions and utility object for operating on chroma video planes</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideoResampler.html">GstVideoResampler</a></span><span class="refpurpose"> — Utility structure for resampler information</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideoScaler.html">GstVideoScaler</a></span><span class="refpurpose"> — Utility object for rescaling video frames</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoSink.html">GstVideoSink</a></span><span class="refpurpose"> — Base class for video sinks</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstColorBalance.html">GstColorBalance</a></span><span class="refpurpose"> — Interface for adjusting color balance settings</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstColorBalanceChannel.html">GstColorBalanceChannel</a></span><span class="refpurpose"> — Object representing a channel from the <span class="type">GstColorBalance</span>
        interface.</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoDirection.html">GstVideoDirection</a></span><span class="refpurpose"> — Interface for elements providing video
rotation and flipping controls</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoOrientation.html">GstVideoOrientation</a></span><span class="refpurpose"> — Interface for elements providing video orientation
controls</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoOverlay.html">GstVideoOverlay</a></span><span class="refpurpose"> — Interface for setting/getting a window system resource
   on elements supporting it to configure a window into which to render a
   video.</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoDecoder.html">GstVideoDecoder</a></span><span class="refpurpose"> — Base class for video decoders</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstVideoEncoder.html">GstVideoEncoder</a></span><span class="refpurpose"> — Base class for video encoders</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideoPool.html">GstVideoBufferPool</a></span><span class="refpurpose"> — GstBufferPool for raw video buffers</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideo-Codec-utility-function.html">GstVideo Codec utility function</a></span><span class="refpurpose"> — Extra utility functions for video codecs</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstNavigation.html">GstNavigation</a></span><span class="refpurpose"> — Interface for creating, sending and parsing navigation
events.</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstVideo-Ancillary.html">GstVideo Ancillary</a></span><span class="refpurpose"> — Utilities for Ancillary data, VBI and Closed Caption</span>
</dt>
</dl></dd>
<dt><span class="chapter"><a href="gl.html">OpenGL Integration Library</a></span></dt>
<dd><dl>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLAPI.html">GstGLAPI</a></span><span class="refpurpose"> — OpenGL API specific functionality</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLBaseFilter.html">GstGLBaseFilter</a></span><span class="refpurpose"> — <span class="type">GstBaseTransform</span> subclass for transforming OpenGL resources</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLBaseMemory.html">GstGLBaseMemory</a></span><span class="refpurpose"> — memory subclass for GL buffers</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLBuffer.html">GstGLBuffer</a></span><span class="refpurpose"> — memory subclass for GL buffers</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLBufferPool.html">GstGLBufferPool</a></span><span class="refpurpose"> — buffer pool for <span class="type">GstGLBaseMemory</span> objects</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLColorConvert.html">GstGLColorConvert</a></span><span class="refpurpose"> — convert between video color spaces and formats</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLContext.html">GstGLContext</a></span><span class="refpurpose"> — OpenGL context abstraction</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLDisplay.html">GstGLDisplay</a></span><span class="refpurpose"> — window system display connection abstraction</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLDisplayCocoa.html">GstGLDisplayCocoa</a></span><span class="refpurpose"></span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLDisplayEGL.html">GstGLDisplayEGL</a></span><span class="refpurpose"></span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLDisplayWayland.html">GstGLDisplayWayland</a></span><span class="refpurpose"></span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLDisplayX11.html">GstGLDisplayX11</a></span><span class="refpurpose"></span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstEGLImage.html">GstEGLImage</a></span><span class="refpurpose"> — EGLImage abstraction</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLFilter.html">GstGLFilter</a></span><span class="refpurpose"> — GstBaseTransform subclass for dealing with RGBA textures</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLFramebuffer.html">GstGLFramebuffer</a></span><span class="refpurpose"> — OpenGL framebuffer abstraction</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLMemory.html">GstGLMemory</a></span><span class="refpurpose"> — memory subclass for GL textures</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-gstglmemoryegl.html">GstGLMemoryEGL</a></span><span class="refpurpose"> — memory subclass for EGLImage's</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLMemoryPBO.html">GstGLMemoryPBO</a></span><span class="refpurpose"> — memory subclass for GL textures</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLOverlayCompositor.html">GstGLOverlayCompositor</a></span><span class="refpurpose"> — Composite multiple overlays using OpenGL</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLQuery.html">GstGLQuery</a></span><span class="refpurpose"> — OpenGL query abstraction</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLRenderbuffer.html">GstGLRenderBuffer</a></span><span class="refpurpose"> — memory subclass for GL renderbuffer objects</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLShader.html">GstGLShader</a></span><span class="refpurpose"> — object representing an OpenGL shader program</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLSL.html">GstGLSL</a></span><span class="refpurpose"> — helpers for dealing with OpenGL shaders</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLSLStage.html">GstGLSLStage</a></span><span class="refpurpose"> — object for dealing with OpenGL shader stages</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-GstGLSyncMeta.html">GstGLSyncMeta</a></span><span class="refpurpose"> — synchronization primitives</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLUpload.html">GstGLUpload</a></span><span class="refpurpose"> — an object that uploads to GL textures</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLViewConvert.html">GstGLViewConvert</a></span><span class="refpurpose"> — convert between steroscopic/multiview video formats</span>
</dt>
<dt>
<span class="refentrytitle"><a href="GstGLWindow.html">GstGLWindow</a></span><span class="refpurpose"> — window/surface abstraction</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-OpenGL-debugging.html">OpenGL debugging</a></span><span class="refpurpose"> — helper routines for dealing with OpenGL debugging</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-OpenGL-Formats.html">GstGLFormat</a></span><span class="refpurpose"> — utilities for dealing with OpenGL formats</span>
</dt>
<dt>
<span class="refentrytitle"><a href="gst-plugins-base-libs-OpenGL-Miscellaneous-Utilities.html">GstGLUtils</a></span><span class="refpurpose"> — some miscellaneous utilities for OpenGL</span>
</dt>
</dl></dd>
</dl>
</div>
<p>
      This manual describes the libraries provided by the GStreamer Base Plugins
      package.
    </p>
</div>
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